What is Selenium? A Vital Nutrient for Thyroid Health

Selenium is a trace mineral often overshadowed by more well-known nutrients. Yet, it has a very important job— playing a pivotal role in maintaining optimal thyroid function. This article explores selenium and its significance to your overall health.

The Importance of a Healthy Thyroid

Before delving into the role of selenium, let's briefly discuss the thyroid gland. This butterfly-shaped gland, located in the front of your neck, produces hormones that regulate nearly all of your body’s functions—  including metabolism, heart rate, and body temperature.

Selenium's Role in Thyroid Health

Selenium is a powerful antioxidant that protects the thyroid gland from oxidative damage. It also plays a crucial role in the production of thyroid hormones. Here’s a closer look at what it does. 

Protection Against Oxidative Stress

Oxidative stress can damage cells and tissues, including the thyroid gland. Selenium-containing enzymes, known as selenoproteins, act as antioxidants, neutralizing harmful free radicals and safeguarding the thyroid.

Activation of Thyroid Hormones

Selenium is essential for the activation of T4, the inactive form of the thyroid hormone, into its active form, T3. This conversion process is vital for ensuring that your body can effectively utilize thyroid hormones.

Regulation of Thyroid Hormone Metabolism

Selenium helps regulate the metabolism of thyroid hormones. It assists in the deiodination process, which involves the removal of iodine atoms from thyroid hormones. This process is crucial for maintaining optimal hormone levels.

Signs of Selenium Deficiency

Vitamin deficiencies can lead to various health problems and when it comes to selenium, it can seriously impair your thyroid function. Are you showing signs of a deficiency? A few symptoms of selenium deficiency include:

• Fatigue
• Muscle weakness
• Hair loss
• Brittle nails
• Slowed metabolism
• Cognitive impairment

Dietary Sources of Selenium

Incorporating some selenium-rich foods in your diet is a great way to ensure you are getting an adequate amount. Some of the best food sources are: 

• Brazil nuts (just a few of these nuts will 
• Seafood (such as tuna, salmon, and shrimp)
• Organ meats (such as liver and kidneys)
• Eggs
• Whole grains

Sometimes dietary sources may not be enough and supplements are needed. Because there is always a risk of toxicity, it is always a good idea to seek help from a professional.

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Work with a Board-Certified, Functional Neurologist in Stuart, Florida to get to the root cause of your thyroid dysfunction and make sure you aren’t lacking anything your body needs. Is it due to a selenium deficiency or something else? Get the help you need today.

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